40 CFR Appendix M to Subpart G of Part 82
Unacceptable Substitutes Listed in the September 30, 2004 Final Rule, Effective November 29, 2004
June 9, 2020
Foam Blowing—Unacceptable Substitutes
Open Table
End-use | Substitute | Decision | Comments |
---|---|---|---|
All foam end-uses: —rigid polyurethane and polyisocyanurate laminated boardstock —rigid polyurethane appliance —rigid polyurethane spray and commercial refrigeration, and sandwich panels |
HCFC-141b | Unacceptable Closed cell foam products and products containing closed cell foams manufactured with this substitute on or before December 1, 2017 may be used after that date | Alternatives exist with lower or zero-ODP. |
—rigid polyurethane slabstock and other foams —polystyrene extruded insulation boardstock and billet —phenolic insulation board and bunstock —flexible polyurethane —polystyrene extruded sheet —Except for:1 —space vehicle —nuclear —defense —research and development for foreign customers |
1Exemptions for specific applications are identified in the list of acceptable substitutes, which is available on the SNAP Web site at: https://www.epa.gov/snap/foam-blowing-agents.
[81 FR 86883, Dec. 1, 2016]